TWI740643B - Packing box and packing method of heat spreader - Google Patents

Abstract

A packaging method of heat spreaders includes the following steps. Arrange a plurality of heat spreaders and a plurality of gaskets in a staggered manner to a container, wherein at least one of the gaskets is arranged between any two of the most adjacent heat spreaders. Remove all of the gaskets from the container at the same time. A packaging box suitable for this packaging method is also provided.

Description

Packaging box and packaging method of soaking sheet

This disclosure relates to packaging boxes and packaging methods, especially packaging for heat spreaders.

With the development of smart phone devices and 5G equipment, the size of chips and heat sources have increased, and the demand for heat spreaders responsible for chip heat dissipation has increased. In addition, with the automatic loading and unloading requirements of packaging equipment, packaging types have become more and more diversified. , Such as slotted trays, cake boxes and tubular stacking packaging, etc., these packaging must pass the transportation test to ensure that they can effectively protect the appearance.

Some of the heat spreaders are shipped in a stack to facilitate the subsequent process of setting up heat spreaders. However, the stacking of heat spreaders may cause appearance problems, such as surface scratches, abrasions, abrasions, etc.

One aspect of this disclosure relates to a packaging method.

According to one or more embodiments of the present disclosure, a method for packaging a heat spreading sheet includes the following steps. A plurality of heat equalizing fins and a plurality of gaskets are arranged in a staggered manner to the container, wherein at least one of the gaskets is arranged between any two of the most adjacent heat equalizing fins. At the same time, remove all the gaskets from the container.

In one or more embodiments, each gasket has a clamping portion protruding from the heat spreader. The clamping part of the gasket protrudes out of the container through the opening. In the step of removing all the gaskets from the container at the same time, the following steps are further included. By clamping the protruding clamping part, the gasket is taken out of the container at the same time.

In one or more embodiments, the spacers are connected to each other to form an integrally formed spacer.

In some embodiments, the step of staggeredly arranging the heat spreading sheet and the gasket to the container further includes the following steps. Place the first heat spreader among the heat spreaders on the container. An extension piece is provided, and the part of the extension piece pushed into the adjacent portion of the first heat equalizing sheet is aligned to form the first shim in the shim, and the extension piece is used as a part of the spacer. Place the second heat spreader of the heat spreader to the container. The first gasket is isolated between the first heat equalizing sheet and the second heat equalizing sheet.

In some embodiments, the spacer has two opposite ends protruding from the container. In the step of removing all the gaskets from the container at the same time, the following steps are further included. Take the spacer out of the container through the two ends, so that the gaskets can leave between the gaskets at the same time.

In one or more embodiments, the container further includes an open extraction port. The packaging method further includes the following steps. After the gaskets are all taken out from the container through the opening, take out the soaking sheet from the extraction port.

One aspect of this disclosure relates to a packaging box.

According to one or more embodiments of the present disclosure, a packaging box is configured to hold a plurality of heat equalizing plates. The packaging box includes a container and a plurality of gaskets. The container is arranged to contain a plurality of heat equalizing plates. The gasket is contained in the container. At least one gasket is arranged between any two of the most adjacent heat spreading fins. Each gasket has a clamping part protruding from the heat spreader.

In one or more embodiments, the container extends in the first direction. The heat fins and the spacers are arranged alternately and parallel to each other in the first direction. The clamping portion of the gasket protrudes in a second direction perpendicular to the first direction. The shape of each gasket is L-shaped.

In one or more embodiments, the spacers are connected to each other across the heat spreader to form a spacer. The spacer has two opposite ends protruding from the container.

In one or more embodiments, the container includes an opening. The clamping part of the gasket protrudes out of the container through the opening. The width of the opening is smaller than the width of each heat spreader.

In summary, by arranging spacers on the stacked heat spreading fins, damage caused by unintended contact between the heat spreading fins can be avoided. At the same time, the gasket is designed to be taken out at the same time, which can also meet the needs of the subsequent process of placing the heat spreader.

The above descriptions are only used to illustrate the problems to be solved by the present disclosure, the technical means to solve the problems, and the effects they produce, etc. The specific details of the present disclosure will be described in detail in the following embodiments and related drawings.

The following is a detailed description of the embodiments with the accompanying drawings, but the provided embodiments are not used to limit the scope of the disclosure, and the description of the structure operation is not used to limit the order of its execution, any recombination of components The structure and the devices with equal effects are all within the scope of this disclosure. In addition, the drawings are for illustrative purposes only, and are not drawn in accordance with the original dimensions. For ease of understanding, the same or similar elements in the following description will be described with the same symbols.

In addition, the terms (terms) used in the entire specification and the scope of the patent application, unless otherwise specified, usually have the usual meaning of each term used in this field, in the content disclosed here, and in the special content . Some terms used to describe the present disclosure will be discussed below or elsewhere in this specification to provide those skilled in the art with additional guidance on the description of the present disclosure.

In this article, terms such as “first”, “second”, etc. are only used to distinguish elements or operating methods with the same technical terms, and are not intended to indicate a sequence or limit the present disclosure.

In addition, similar terms such as "include", "include", and "provide" are all open-ended restrictions in this article, meaning including but not limited to.

Further, in this article, unless the article is specifically limited in the context, "a" and "the" can refer to one or more in general. It will be further understood that the words "including" and "inclusive" used in this article "Include", "have" and similar words indicate the features, regions, integers, steps, operations, elements and/or components described therein, but do not exclude the described or additional one or more other features, regions, Integers, steps, operations, elements, components, and/or groups thereof.

The heat spreader is used to set on the element to conduct the heat energy emitted by the element to exert the effect of heat dissipation. For example, the heat spreader can be set on the components in the computer host. In some embodiments, the heat spreading sheet includes a flat metal sheet, and can be provided with recognizable stripes, for example, for scanning a QR code. In some embodiments, the heat spreading sheet is housed in the container in a stacked manner. However, during transportation, there may be friction between the stacked heat spreading fins, which damages the surface of the heat spreading fins. In this regard, in some embodiments of the present disclosure, spacers are arranged between the heat spreading fins to avoid abrasion between the heat spreading fins.

Please refer to Figure 1A and Figure 1B. FIG. 1A shows a schematic top view of a packaging box 100 according to an embodiment of the present disclosure. FIG. 1B is a schematic side view of the packaging box 100 of FIG. 1A.

As shown in Figs. 1A and 1B, in this embodiment, the packaging box 100 has a tube shape. Specifically, in this embodiment, the packaging box 100 includes a container 110 and a gasket 130. The container 110 includes an opening 115, an extraction port 120 and a cover 125. In the container 110 of the packaging box 100, a plurality of heat equalizing fins 200 are accommodated, and any two closest heat equalizing fins 200 are separated by a gasket 130. In other words, in this embodiment, the heat equalizing sheet 200 and the spacer 130 are arranged in a staggered manner. In FIGS. 1A and 1B, the heat equalizing fins 200 and the spacers 130 are alternately arranged in the direction D1. In this way, direct contact between the heat equalizing fins 200 during stacking can be avoided, thereby avoiding the abrasion of the stacked heat equalizing fins 200 due to unexpected collisions with each other.

The opening 115 of the container 110 exposes the heat equalizing sheet 200. As shown in the top view of FIG. 1A, in this embodiment, each gasket 130 has a clamping portion 135 protruding from the heat spreading sheet 200. Furthermore, in this embodiment, the clamping portions 135 of the heat equalizing sheet 200 all protrude from the opening 115. In this way, the gasket 130 can be removed from the container 110 through the clamping portion 135 at the same time, so that the heat equalizing sheet 200 can be housed in the container 110 in a stacked manner.

Furthermore, as indicated by the dotted line in FIG. 1B, in this embodiment, the container 110 includes an extraction port 120, and the extraction port 120 is closed by a cover 125. When the heat equalizing sheet 200 is to be taken out of the container 110, the cover 125 can be opened, and the heat equalizing sheet 200 can be taken out from the extraction port 120.

In some embodiments, the clamping portion 135 of the gasket 130 can be arranged to protrude from the heat spreading sheet 200, but the clamping portion 135 of the gasket 130 is still kept from protruding from the container 110, but only through the elongated opening. 115 together naked. In such an embodiment, a shell may be further provided on the container 110 to cover the opening 115. When the gasket 130 needs to be taken out, the housing is removed, so that all the gaskets 130 can be removed from the container 110 through the clamping portion 135.

For further explanation, please refer to Figure 1C. FIG. 1C is a schematic side view of the packaging box 100 of FIG. 1A from another angle. For the purpose of simple description, the cover 125 is not shown in FIG. 1C.

In Figure 1C, the view from the extraction port 120 to the container 110. The heat equalizing sheet 200 is contained in the container 110. The width W2 of the heat equalizing sheet 200 in the direction D2 is smaller than the width W1 of the opening 115 of the container 110. The gasket 130 has the same width W1 as the opening 115, and the clamping portion 135 of the gasket 130 protrudes from the opening 115. In this way, through the clamping part 135, the gasket 130 in the container 110 can be taken out from the opening 115.

In this embodiment, the entire packaging box 100 can be regarded as a packaging tube. FIG. 1B perspectively depicts a part of the outline of the elongated container 110 for accommodating the heat equalizing sheet 200. Figure 1C shows one end of the elongated tubular container 110 from the other side. The heat equalizing fin 200 is arranged in the elongated tubular container 110. The opening 115 is on the side of the container 110 and extends along the direction D1. The extraction port 120 is located at one end of the elongated tubular container 110. In this way, the heat equalizing fin 200 is disposed in the elongated tubular container 110, and the gasket 130 is inserted through the opening 115 on the side of the elongated tubular container 110 to isolate the heat equalizing fin 200. After the gasket 130 is taken out from between the heat equalizing fins 200, the equalizing heat fin 200 is taken out from the extraction opening 120 at one end of the elongated container 110.

In addition, in this embodiment, as shown in FIG. 1C, the clamping portion 135 protrudes from the opening 115 and further extends in the direction D2. This makes the shape of the clamping portion 135 L-shaped. In this way, the width W of the clamping portion 135 extending in the direction D2 (as shown in FIG. 3) will be greater than the width W1 of the opening 115. Subsequently, the spacer 130 can be taken out from the opening 115 along the direction D3 through the clamping part 135. Please see later for details.

As shown in FIG. 1C, since the width W2 of the heat equalizing sheet 200 is smaller than the width W1 of the opening 115, the heat equalizing sheet 200 can only be put into or taken out of the container 110 using the extraction port 120. Therefore, in some embodiments of the present disclosure, the staggered arrangement of the heat equalizing fins 200 and the spacers 130 can firstly insert the spacers 130 from the opening 115, and then insert the equalizing fins 200 from the extraction port 120. This is repeated until the container 110 is filled with staggered heat spreading sheets 200 and gaskets 130, and a cover 125 is applied to close the container 110. In this way, the packaging box 100 containing the heat equalizing sheet 200 can be transported to the unit where the heat equalizing sheet 200 needs to be installed. Since the spacers 130 are arranged between the heat equalizing fins 200, the problem of unintended wear between the heat equalizing fins 200 during transportation can be improved.

Fig. 2 shows a part R1 of the packaging box 100 of Fig. 1B. As shown in FIG. 2, the heat equalizing fins 200 in the container 110 are separated from each other by a gasket 130. The clamping portion 135 of the gasket 130 has a different height than the heat equalizing sheet 200.

FIG. 3 shows a schematic diagram of a gasket 130 according to an embodiment of the present disclosure. In this embodiment, the gasket 130 has a protruding clamping portion 135, which makes the gasket 130 L-shaped. The spacer 130 has a width W1, and the clamping portion 135 of the spacer 130 has a width W. The width W of the clamping portion 135 is greater than the width W1 of the gasket 130 in the container 110. The overall thickness H1 of the gasket 130, the clamping portion 135 of the gasket 130 has a thickness H2, the thickness H1 is greater than the thickness H2, and the thickness H1 minus the thickness H2 should be greater than the height of the container 110 in the direction D2. Ensure that the clamping portion 135 is It protrudes out of the container 110.

Please refer to Figures 4A and 4B, and correspondingly refer to Figures 5A and 5B. Fig. 4A and Fig. 4B, and corresponding Fig. 5A and Fig. 5B, illustrate different steps of the packaging method of a heat spreader of the present disclosure. FIGS. 4A and 4B show schematic side views of different steps when removing the gasket 130 according to an embodiment of the present disclosure. Figures 5A and 5B show schematic side views of Figures 4A and 4B from another angle, respectively. For the purpose of simple description, FIG. 5A and FIG. 5B do not show the cover 125 of the packaging box 100.

As shown in Figs. 1A-1C, after staggered arrangement of the heat equalizing fins 200 and the spacers 130, the heat equalization fins 200 can be safely transported without worrying about the unintended wear of the equalization fins 200. After the heat spreading sheet 200 is transported to the destination, the gasket 130 should be taken out at the same time to save time and return the heat spreading sheet 200 to the normal stacking condition. In this regard, please refer to Figure 4A and Figure 5A at the same time.

As shown in FIG. 4A and FIG. 5A, through the clamp 300, the gasket 130 can be taken out of the container 110 at the same time. Specifically, in this embodiment, the clamp 300 includes a hook 315 and a hook 320, and the hook 315 and the hook 320 are connected to each other by a spring 310. The hook 315 and the hook 320 simultaneously clamp the clamping portions 135 of the plurality of spacers 130.

Entering Figures 4B and 5B, after the hook 315 and the hook 320 simultaneously clamp the clamping parts 135 of the multiple gaskets 130, the clamp 300 moves upward to remove all the gaskets 130 at one time. The container 110 is taken out. In this way, the heat equalizing sheet 200 can be taken out from the extraction port 120 without being obstructed by the gasket 130.

Taking out a plurality of gaskets 130 at the same time not only saves time, but after returning the heat spreading fins 200 to the stacked arrangement, they can be applied straight to some existing heat spreading fins 200 installation procedures. For example, in some embodiments, after the gaskets 130 are taken out of the container 110, the container 110 containing the stack of heat equalizing fins 200 can be directly erected on the machine where the heat equalizing fins 200 are installed to heat the The chips 200 are pushed and installed one by one on the computer components to be dissipated.

It should be noted that the number of heat equalizing fins 200 shown in the above drawings is only for illustration, and the number of heat equalizing fins 200 of the present disclosure is not limited by this. In addition, the thicknesses of the heat spreading sheet 200 and the gasket 130 shown in the above drawings are only for illustration, and therefore, the disclosure is not limited by this.

Fig. 6 shows a schematic side view of a packaging box 100' according to an embodiment of the present disclosure. The difference between the packaging box 100' of FIG. 6 and the packaging box 100 of FIG. 1B is that the plurality of spacers 155 in the packaging box 100' of FIG. 6 are connected to each other.

As shown in Figure 6, the packaging box 100' includes a container 110 and a spacer 150. The container 110 includes an opening 115, an extraction port 120 and a cover 125. The heat equalizing sheet 200 is disposed in the container 110. One of the spacers 155 of the spacer 150 is provided between any two of the most adjacent heat equalizing fins 200.

In detail, in the packaging box 100', the spacer 150 includes a plurality of spacers 155 and connecting portions 160. The spacers 155 are connected to each other by the connecting portion 160 to form an integrally formed spacer 150.

Compared with the gasket 130 of the packaging box 100 in FIG. 1B, in the packaging box 100', each gasket 155 is U-shaped, and the two sides of the U-shaped gasket 155 are adjacent to/phase with one of the heat spreaders 200. The bottom of the U-shaped gasket 155 is in contact with the bottom of the container 110. These U-shaped gaskets 155 are integrally formed by straddling the connecting portion 160 of the heat equalizing sheet 200.

In this way, all the gaskets 155 in the container 110 can be taken out at one time without passing through the clamp.

Please refer to Figure 7. Figure 7 is a schematic side view of the gasket 155 taken out of the packaging box 100'. More specifically, the spacer 155 that is integrally formed to form the spacer 150 is taken out from the opening 115 of the container 110 together, and the spacer 150 is moved in the direction D3. In this embodiment, the direction D3 is perpendicular to the direction D1 in which the heat equalizing sheet 200 and the spacer 155 are alternately arranged.

For example, referring to FIGS. 6 and 7 at the same time, the spacer 150 has a first end 151 and a second end 152 protruding from the opening 115. In some embodiments, if all the spacers 155 of the spacer 150 are to be taken out together, it is only necessary to apply force to the first end 151 and the second end 152 to move the entire spacer 150 along the direction D3. Move so that the plurality of gaskets 155 are removed from between the heat equalizing fins 200 at the same time. In this way, the heat spreading sheet 200 in the container 110 can be restored to be arranged in a stacked manner.

Fig. 8 shows a part of the packaging box 100' of Fig. 6. Referring to FIGS. 6 and 8 at the same time, the heat equalizing plate 200 includes a first equalizing plate 201 and a second equalizing plate 202. A U-shaped pad is arranged between the first equalizing plate 201 and the second equalizing plate 202.片155. The spacers 155 are connected to each other by the connecting portion 160 across the heat equalizing sheet 200 (for example, across the second heat equalizing sheet 202) to form the spacer 150. The first end 151 of the spacer 150 protrudes from the container 110.

As shown in FIGS. 6 and 8, in this embodiment, the connecting portion 160 of the spacer 150 is spaced apart from the heat equalizing sheet 200 in the direction D3. This is based on the convenience of the manufacturing process to leave the gap. In some embodiments, the distance between the connecting portion 160 and the heat equalizing sheet 200 may also be 0, so that the connecting portion 160 is close to the heat equalizing sheet 200.

Please refer to Figure 9, Figure 10 and Figure 11. Figures 9, 10, and 11 illustrate different steps of another heat spreader packaging method of the present disclosure. Figure 9, Figure 10 and Figure 11 respectively show schematic side views of different steps when setting the gasket.

As shown in Figure 9, after the container 110 of the packaging box 100' is provided, the first heat equalizing fin 201 of the heat equalizing fin 200 is set to abut one side of the container 110.

Subsequently, as shown in Figure 9, an extension 330 is provided. The width of the extension 330 in the direction D2 is less than or equal to the width W1 of the opening 115 in the direction D2 (as shown in FIG. 1C). In addition, the gate 340 is arranged between the extension 330 and the container 110, and the molding hole 341 of the gate 340 is aligned with one side of the heat equalizing sheet 200. There is a distance between the extension 330 and the container 110 where the gate 340 can be provided. On the other hand, the ejector 350 is disposed on the other side of the extension piece 330 opposite to the gate 340. The ejector 350 is aligned with the molding hole 341 of the gate 340.

Go to figure 10. In FIG. 10, the pusher 350 moves toward the container 110, and then pushes the part of the extension piece 330 into the container 110 to form a U-shaped gasket 155. One side of the U-shaped gasket 155 abuts against the first heat equalizing sheet 201. The bottom of the U-shaped gasket 155 is connected to the bottom of the container 110.

After the gasket 155 is formed, proceed to Figure 11, and set the second heat equalizing fin 202 in the heat equalizing fin 200 into the container 110, and the second heat equalizing fin 202 is connected to the other side of the U-shaped gasket 155 . In this way, the U-shaped gasket 155 is substantially disposed between the first heat equalizing fin 201 and the second heat equalizing fin 202 that are closest to each other. In some embodiments, after the U-shaped gasket 155 is formed, the second heat equalizing sheet 202 can be inserted into the second heat equalizing sheet 202 from the direction D1 through the extraction port 120 of the container 110 (as shown in FIG. 6).

After completing the setting of the second heat equalizing plate 202 in Fig. 11, the ejector 350 can be removed from the formed U-shaped gasket 155, and then exit the gate 340 from the direction D2. Subsequently, repeating FIGS. 9 to 11, a U-shaped gasket 155 is formed on the other side of the second heat equalizing plate 202, and other heat equalizing plates 200 are inserted. In this way, repeat the steps shown in FIGS. 9 to 11 to alternately arrange the U-shaped gasket 155 and the heat spreading sheet 200 until the container 110 is filled. Finally, the extension piece 330 is disconnected, so that the portion of the extension piece 330 remaining in the container 110 and located between the heat equalizing fins 200 forms an integral spacer 150, as shown in FIG. 6.

In this way, as shown in FIG. 6, the formed U-shaped gaskets 155 are connected to each other across the heat equalizing sheet 200 through the connecting portion 160 to form a spacer 150. The spacer 150 has a first end 151 and a second end 152 protruding from the container 110, so that multiple spacers 155 of the spacer 150 can be removed from the container 110 at the same time without using additional clamps.

It should be noted that the number of heat equalizing fins 200 shown in the above drawings is only for illustration, and the number of heat equalizing fins 200 of the present disclosure is not limited by this. In addition, the thicknesses of the spacers 155 in the heat equalizing sheet 200 and the spacer 150 are shown in the above drawings, which are only for illustration, and therefore, the disclosure is not limited by this.

In some embodiments, the material of the extension 330 includes coils.

In summary, the present disclosure provides a packaging box and a corresponding packaging method. The spacers for the heat spreader are arranged in the container to avoid unexpected wear between stacked heat spreaders during transportation. In addition, the heat spreading fins are also designed to be able to be removed at the same time, so that the heat spreading fins return to the stacked state, and some existing installation methods can be used to install the stacked heat spreading fins. In some embodiments, the heat spreading sheet is further designed to be integrally formed, so that the gasket can be removed from between the heat spreading sheets at the same time without using additional clamps.

Although this disclosure has been disclosed in the above implementation manner, it is not intended to limit this disclosure. Anyone with ordinary knowledge in the field can make various changes and modifications without departing from the spirit and scope of this disclosure. Therefore, this disclosure The scope of protection shall be subject to the scope of the attached patent application.

100,100’: Packing box 110: container 115: opening 120: Extraction port 125: cap 130: Gasket 135: Clamping part 150: spacer 151: first end 152: second end 155: Gasket 160: connecting part 200: Soaking film 201: The first soaking film 202: The second soaking film 300: Fixture 310: Spring 315,320: hook 330: Extension 340: Gate 341: forming hole 350: Pusher W, W1, W2: width D1, D2, D3: direction H1, H2: thickness R1: Partial

The advantages and drawings of the present disclosure should be better understood by the following embodiments and with reference to the drawings. The descriptions of these drawings are merely examples of implementations, and therefore should not be considered as limiting individual implementations or limiting the scope of the invention patent application. FIG. 1A shows a schematic top view of a packaging box according to an embodiment of the present disclosure; Figure 1B shows a schematic side view of the packaging box of Figure 1A; Figure 1C is a schematic side view of the packaging box of Figure 1A from another angle; Figure 2 shows a part of the packaging box of Figure 1B; Fig. 3 shows a schematic diagram of a gasket according to an embodiment of the present disclosure; Figures 4A and 4B illustrate a schematic side view of an embodiment of the present disclosure showing different steps when removing the gasket; Figures 5A and 5B show schematic side views of Figures 4A and 4B from another angle, respectively; Figure 6 shows a schematic side view of a packaging box according to an embodiment of the present disclosure; Figure 7 shows a schematic side view of taking out the gasket from the packing box; Figure 8 shows a part of the packaging box of Figure 6; and Figure 9, Figure 10 and Figure 11 show schematic side views of different steps when setting the gasket.

Domestic deposit information (please note in the order of deposit institution, date and number) without Foreign hosting information (please note in the order of hosting country, institution, date, and number) without

100: box

110: container

115: opening

120: Extraction port

125: cap

130: Gasket

135: Clamping part

200: Soaking film

R1: Partial

D1, D2, D3: direction

Claims (10)

A packaging method for heat equalizing sheets, comprising: staggered arranging a plurality of heat equalizing sheets and a plurality of gaskets to a container, wherein the pads are arranged between any two of the heat equalizing sheets that are closest to each other At least one of the sheets; and at the same time, take out the gaskets from the container, so that the heat equalizing sheets are placed in the container in a stacked manner. The packaging method according to claim 1, wherein each of the gaskets has a clamping portion protruding from the heat equalizing sheets, and the step of removing all the gaskets from the container at the same time further includes: The protruding clamping parts are clamped, and the gaskets are taken out of the container at the same time. The packaging method according to claim 1, wherein the spacers are connected to each other to form an integrally formed spacer. The packaging method according to claim 3, wherein in the step of staggeredly arranging the heat equalizing plates and the spacers to the container, the step further comprises: placing a first heat equalizing plate of the heat equalizing plates to the container Container; provide an extension piece, align the first heat spreading piece at an adjacent part of the extension piece, to form a first gasket in the pads, so that the extension piece as the spacer part; A second heat equalizing plate of the heat equalizing plates is placed on the container, wherein the first gasket is isolated between the first heating plate and the second heat equalizing plate. The packaging method according to claim 4, wherein the spacer has two opposite ends protruding from the container, and the step of removing all the gaskets from the container at the same time further includes: The spacer is taken out from the container, so that the heat equalizing plates leave between the gaskets at the same time. The packaging method according to claim 1, wherein the container further includes an opening and an extraction port, the clamping portions of the gaskets protrude from the container through the opening, and the packaging method further includes: After the gaskets are taken out from the container through the opening, the heat equalizing sheets are taken out from the extraction port. A packaging box, comprising: a container arranged to contain a plurality of heat equalizing plates; and a plurality of gaskets, which are contained in the container, between any two of the most adjacent heat equalizing plates of the plurality of heat equalizing plates At least one of the gaskets is provided, and each gasket has a clamping portion protruding from the heat equalizing plates, wherein when the gaskets are taken out from the container at the same time, the heat equalizing plates are arranged It is placed in the container in a stacked manner. The packaging box according to claim 7, wherein the container is along a Extending in a first direction, the heat equalizing sheets and the spacers are arranged alternately and parallel to each other in the first direction, and the clamping portions of the spacers are convex in a second direction perpendicular to the first direction The shape of each gasket is L-shaped. The packaging box according to claim 7, wherein the spacers are connected to each other across the heat equalizing sheets to form a spacer, and the spacer has two opposite ends protruding from the container. The packaging box according to claim 7, wherein the container includes an opening, and the clamping portions of the gaskets protrude from the container through the opening, wherein a width at the opening is smaller than that of each heat spreader Of a width.

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